Offset paper definition: paper used in a printing method in which the impression is made onto an intermediate | meaning, pronunciation, translations and examples. China offset printing paper manufacturers - select 2018 high quality offset printing paper products in best price from certified chinese paper manufacturers, card. Woodfree uncoated paper (wfu) lightweight offset paper, also called onionskin, has a basis weight of 25–40 g/m 2 and are normally used for bibles.